On the origin of the A${}_{1g}$ and B${}_{1g}$ electronic Raman scattering peaks in the superconducting state of YBa${}_2$Cu${}_3$O${}_{7-\delta }$

H. Martinho, A. A. Martin, C. Rettori +2

The electronic Raman scattering has been investigated in optimally oxygen doped YBa${}_2$Cu${}_3$O${}_{7-\delta }$ single crystals as well as in crystals with non-magnetic, Zn, and magneti…